1. Species Harpa amouretta Röding, 1798
2. Species Harpa articularis Lamarck, 1822
3. Species Harpa cabriti P. Fischer, 1860
4. Species Harpa costata (Linnaeus, 1758)
5. Species Harpa crenata Swainson, 1822
6. Species Harpa davidis Röding, 1798
7. Species Harpa doris Röding, 1798
8. Species Harpa goodwini Rehder, 1993
9. Species Harpa gracilis Broderip & G. B. Sowerby I, 1829
10. Species Harpa harpa (Linnaeus, 1758)
11. Species Harpa kajiyamai Habe, 1970
12. Species Harpa kolaceki T. Cossignani, 2011
13. Species Harpa major Röding, 1798
14. Species Harpa queenslandica Berschauer & Petuch, 2016
15. Species Harpa antiqua G. B. Sowerby I, 1825 accepted as Cominella maculosa (Martyn, 1784) (junior subjective synonym)
16. Species Harpa conoidalis Lamarck, 1822 accepted as Harpa major Röding, 1798
17. Species Harpa crassa Krauss, 1848 accepted as Harpa amouretta Röding, 1798 (junior subjective synonym)
18. Species Harpa fulvomichaelensis Orga, 1999 (name not properly published; listed in WoRMS because it appears on various websites)
19. Species Harpa imperialis Lamarck, 1822 accepted as Harpa costata (Linnaeus, 1758)
20. Species Harpa kawamurai Habe, 1970 accepted as Harpa major Röding, 1798
21. Species Harpa laetifica Melvill, 1916 accepted as Harpa costata (Linnaeus, 1758)
22. Species Harpa ligata Menke, 1828 accepted as Harpa major Röding, 1798
23. Species Harpa lorenzi D. Monsecour & K. Monsecour, 2018 accepted as Harpa cabriti P. Fischer, 1860 (unaccepted > junior subjective synonym)
24. Species Harpa minor Lamarck, 1822 accepted as Harpa amouretta Röding, 1798 (junior objective synonym)
25. Species Harpa multicostata G. B. Sowerby I, 1822 accepted as Harpa costata (Linnaeus, 1758)
26. Species Harpa nablium Mörch, 1852 accepted as Harpa davidis Röding, 1798
27. Species Harpa nobilis Lamarck, 1822 accepted as Harpa harpa (Linnaeus, 1758)
28. Species Harpa punctata Verco, 1896 accepted as Austroharpa punctata (Verco, 1896) (original combination)
29. Species Harpa rivoliana Lesson, 1833 accepted as Harpa crenata Swainson, 1822
30. Species Harpa robusta Röding, 1798 accepted as Harpa doris Röding, 1798
31. Species Harpa rosea Lamarck, 1816 accepted as Harpa doris Röding, 1798 (unaccepted > junior subjective synonym)
32. Species Harpa solidula A. Adams, 1854 accepted as Harpa amouretta Röding, 1798 (unaccepted > junior subjective synonym)
33. Species Harpa striata Lamarck, 1816 accepted as Harpa cabriti P. Fischer, 1860
34. Species Harpa ventricosa Lamarck, 1816 accepted as Harpa cabriti P. Fischer, 1860 (invalid: junior homonym of Harpa ventricosa Lamarck, 1801)
35. Species Harpa ventricosa Lamarck, 1801 accepted as Harpa major Röding, 1798 (junior objective synonym of Harpa major)
36. Species Harpa striatula A. Adams, 1854 (uncertain > unassessed, use in recent literature not established by editor)
37. Species Harpa urniformis Perry, 1811 (uncertain > nomen dubium)
38. Species Harpa virginalis G. B. Sowerby II, 1860 (uncertain > taxon inquirendum, use in recent liteature currently undocumented)

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